Animated map shows shrinking area of Tsarist Russian control as Bolshevik influence from Russian Revolution moves across Russia, leaving central region around Moscow still politically contested. Russian troops run through a snowy rail yard, next to a flat car on which an automobile sits. Bolsheviks board another flat car. Mikhail Kalinin speaks forcefully to a crowd, and later, with a cigarette in his mouth, mingles with young people in the crowd. People receiving Bolshevik newspapers at a train depot. Newsmen conversing. Another speaker delivering an impassioned speech.